A leak of that magnitude would severely test the capacity of the boats, barges, skimmers and a spill containment tanker that Shell plans to deploy around its rigs, although the company promises to add whatever equipment regulators find necessary.
On 15 November, the ship sank the tanker Africa Shell, and the following day, she stopped an unidentified Dutch steamer, though did not sink her.
In the event of a hurricane, Shell says the tanker can halt production and sail away safely from the buoy and riser pipes.
The hotspots are located between the flat bar stiffener of a transverse web frame and the flange of a longitudinal stiffener at the side shell of a tanker ship hull.
A tanker with a single outer shell between the product and the ocean is said to be "single-hulled".
Beauforts from No. 1 OTU were also ordered to locate and destroy the German U-Boat U-862, which had shelled the Greek tanker Illosis off Kingston, South Australia, on 9 December 1944.
The reballot of members at Hoyer, which delivers on behalf of Shell, means that 533 of Unite's 2,000 tanker drivers would not be able to take part in the token strike action regardless – further reducing the likelihood of disruption from a one-hour strike.
By the time Shell merged with Royal Dutch Petroleum in 1907, the company had 34 steam-driven oil tankers, compared to Standard Oil's four case-oil steamers and 16 sailing tankers.
The two cruisers located Ermioni just before dusk: Sydney provided anti-submarine protection while the tanker's crew were convinced to transfer to the British warships, after which Ermioni was shelled by Neptune.
Shell said late Thursday that remotely operated underwater vehicles had confirmed that the spill was caused by a leak in a "flexible export line" that linked a tanker to a large floating storage container.
